If you want to ask a question that has a YES or NO answer, put an AUXILIARY verb (like be, do or have) before the subject of our question.
Is Eric going to the party?
Are you going?
Will Brenda come?
Can I invite her?
Does Adrian know when the party starts?
Did you invite Scott?
Has he got here yet?
Each question can be answered with a YES or NO.
Has the game started?
Do you know where my keys are?
Have any of my teachers called?
Now… Write your own examples!!!